| details |
Quaternary |
|
Nd |
Sato,S. Suspended problems of pollen analysis (of Pre-Quaternary) in Japan. |
1967 |
| details |
Maestrichtian |
|
Canada(Alberta) |
Serbet,R. et al. Taxodiaceous pollen Cones from the Upper Cretaceous, (Horseshoe Canyon Formation) of Drumheller, Alberta, Canada. |
1991 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Late Paleocene |
|
Wyoming |
Gemmill,C.E.C. et al. Paleoecology of a Late Paleocene (Tiffanian) megaflora from the Northern Great Divide Basin, Wyoming. |
1997 |
| details |
Late Tiffanian |
|
Canada(Alberta) |
Stockey,R.A. et al. Diversity among Taxodioid Conifers: Metasequoia foxii sp. nov. from the Paleocene of Central Alberta, Canada. |
2001 |